Abstract
Patients with cirrhosis have substantial alterations in their hemostatic system, which are paradoxically associated with the risk of both bleeding and thrombotic complications. However, it still remains difficult to predict those risks, because results from conventional coagulation tests, such as the prothrombin time (PT) and activated partial thromboplastin time (APTT), do not reflect the complex hemostatic changes in these patients. More sophisticated global hemostasis tests, such as thrombin generation assays, are not standardized for routine use yet. Here we examined the spatial clot growth in plasma from patients with cirrhosis using the novel Thrombodynamics assay, which uses a fundamentally new approach to test plasma hemostatic capacity. Thrombodynamics assays were performed in plasma from thirty-one patients with cirrhosis and twenty-five healthy controls. Results were compared to results with thrombin generation testing and PT/APTT test results. Rates of clot growth, clot size, and clot density from the Thrombodynamics assay were comparable between patients and controls. Thrombin generation in the presence of thrombomodulin was increased in the patients, despite prolonged PT and APTT test results. There was little cor...Continue Reading
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